Microstructural Characteristics of Underwater Shock Consolidated Aluminum Composites

查看全文 作　　者：[1]K.Raghukandan;[1]K.Hokamoto;[1]J.S.Lee;[1]A.Chiba;[1]B.C.Pai 机构地区：[1]Department of Mechanical Engineering and Materials Science,Kumamoto University,Kumamoto,Japan,Shock Wave and Condensed Matter Research Center,2-39-1 Kurokami,Kumamoto University,Kumamoto,Japan,Graduate student,Graduate School of Science and Technology,Kumamoto University,Kumamoto,Japan,Department of Mechanical Engineering and Materials Science,Kumamoto University,Kumamoto,Japan,Regional Research Laboratory,Thiruvananthapuram,Kerala,India 出　　处：《Journal of Materials Science & Technology》索引2003年第19卷第4期,共5页 摘　　要：Metal matrix composites (MMCs) offer extra strength and high temperature capabilities in comparison with unreinforced metals. Aluminum composites possess higher stiffness, strength, fatigue properties and low weight advantages.Carbon fiber reinforced Al composites (Al-Cf) and silicon carbide particulate reinforced Al composites (Al-SiCp) were shock densified using axisymmetric assemblies for underwater explosions. Unidirectional planar shock waves were applied to obtain uniform consolidation of the composites. The energy generator was a high explosive of 6.9 km/s detonation velocity. Irregular morphological powders of Al were the base material. The reinforcement ratio was 15 Vol. pct for Al-Cf composites and 30 Vol. pct for Al-SiCp composites. The microstructural and the strength characteristics of the shock consolidated Al composites are reported. 关 键 词：铝复合材料 微观结构 冲击压实 强度 力学性能 碳纤维增强 金属复合材料